Significance and Use
Fabrics intended for this end-use should meet all the requirements listed in Table 1.
It should be recognized that fabric can be produced utilizing an almost infinite number of combinations of construction variables (e.g., type of fibers, percentage of fibers, yarn twist, yarn number, warp and pick count, chemical and mechanical finished). Additionally, fashion and aesthetics dictate that the ultimate consumer may find acceptable articles made from fabrics that do not conform to all of the requirements in Table 1.
Hence, no single performance specification can possibly apply to all the various fabrics that could be utilized for this end-use.
The uses and significance of particular properties and test methods are discussed in the appropriate sections of the specified methods.
TABLE 1 Performance Requirements
| Property | Requirements | Section |
|---|
| Grade A | Grade B | Grade C |
|---|
| Breaking strength (load) (CRT Method):A | | | | 6.1 |
Length
Width | 244 N (55 lbf), min
244 N (55 lbf), min | 222 N (50 lbf), min
222 N (50 lbf), min | 200 N (45 lbf), min
178 N (40 lbf), min | |
| Tongue tear strength (CRT Method)A | | | | 6.2 |
Length
Width | 27 N (6 lbf), min
22 N (5 lbf), min | 18 N (4 lbf), min
13 N (3 lbf), min | 13 N (3 lbf), min
9 N (2 lbf), min | |
| Tack-tear resistance: | | | | 6.3 |
Length
Width | 133 N (30 lbf), min
133 N (30 lbf), min | 111 N (25 lbf), min
89 N (20 lbf), min | 67 N (15 lbf), min
67 N (15 lbf), min | |
| Adhesion of coating to substrate | 525 N/m (3.0 lbf/in.),
min | 525 N/m (3.0 lbf/in.),
min | 525 N/m (3.0 lbf/in.),
min | 6.4 |
| Surface abrasion | no appreciable color change at 200 cycles, grade A, B, and C | 6.5 |
| Resistance to flexing | no cracking or delamination at 15 000 cycles, grade A, B, and C | 6.6 |
| Blocking at elevated temperature | rating 2, min, no blocking; coating adheres slightly,grade A, B, and C | 6.7 |
| Resistance to cracking at low temperature | no cracking at − 10± 1°F (−23 ± 1°C), grade A, B, and C | 6.8 |
| Colorfastness to crocking:B | | | | 6.9.1 |
Dry
Wet | grade 4.0 minC
grade 4.0 minC | grade 4.0 minC
grade 4.0 minC | grade 4.0 minC
grade 4.0 minC | |
Colorfastness to light (xenon)A (120 AATCC fading
units) | Step 4 minD | Step 4 minD | Step 4 minD | 6.9.2 |
| Loss of plasticizer | 10 % max | 10 % max | 10 % max | 6.10 |
| Hydrolytic stability: | | | | 6.11 |
| Adhesion | must maintain 75 % of original strength, grade A, B, and C | 6.11.3.1 |
| Surface abrasion | no cracking or delamination at 25 000 cycles, grade A, B, and C | 6.11.3.2 |
| Resistance to flexing | no breaks in coating at 15 000 cycles, grade A, B, and C | 6.11.3.3 |
| Flammability | pass | pass | pass | 6.12 |
A There is more than one standard test method that can be used to measure breaking strength, tongue tear strength, and lightfastness. These test methods cannot be used interchangeably since there may be no overall correlation between them (see Note 2).
B grade in b and c is based on a numerical scale of 5 for negligible color transfer or color change to 1 for very severe color transfer or color change. The numerical rating in Table 1 or higher is acceptable.
C AATCC 8–step Chromatic Transference Scale.
D AATCC Gray Scale for Color Change.
1. Scope
1.1 This performance specification covers performance requirements for vinyl-coated and urethane-coated upholstery fabrics produced with woven, knit, or nonwoven substrates which are used in the manufacture of new indoor furniture.
1.2 This performance specification is not applicable to fabrics used in porch, deck, or lawn furniture; nor for plain knit fabrics and plain, tufted, or flocked, woven upholstery fabrics.
1.3 These requirements apply to the length and width directions for those properties where fabric direction is pertinent.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents
Chemical Fabrics and Film Association Standards
CFFA-20 Test for Tearing Strength, Procedure B--Tongue Method
ASTM Standards
D1175 Test Methods for Abrasion Resistance of Textile Fabrics (Oscillatory Cylinder and Uniform Abrasion)
D1203 Test Methods for Volatile Loss From Plastics Using Activated Carbon Methods
D123 Terminology Relating to Textiles
D2097 Test Method for Flex Testing of Finish on Upholstery Leather
D2136 Test Method for Coated Fabrics--Low-Temperature Bend Test
D4157 Test Method for Abrasion Resistance of Textile Fabrics (Oscillatory Cylinder Method)
D5034 Test Method for Breaking Strength and Elongation of Textile Fabrics (Grab Test)
D751 Test Methods for Coated Fabrics
AATCC Test Methods
EvaluationProcedure3 Chromatic Transference Scale
Index Terms
abrasion resistance; chemical properties (textiles) adhesion; coated fabric; fabric; flammability; performance; specification; Chemical properties--textiles; Coated fabrics; Hydrolytic stability; Indoor upholstery fabrics/materials; Textile fabrics/fibers--specifications; Upholstery fabrics/materials/applications--specifications; Urethanes; Vinyl-coated fabrics/fibers/yarns; ICS Number Code 59.080.40 (Coated fabrics)
DOI: 10.1520/D3690-02R08
ASTM International is a member of CrossRef.
Citing ASTM Standards
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